[PATCH 3/5] drm/mediatek: Change disp/ddp term to mutex in mtk mutex driver

From: CK Hu ck.hu@mediatek.com

mtk mutex is used by both drm and mdp driver, so change disp/ddp term to mutex to show that it's a common driver for drm and mdp.

Signed-off-by: CK Hu ck.hu@mediatek.com Signed-off-by: Chun-Kuang Hu chunkuang.hu@kernel.org --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 30 +-- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 +- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 +- drivers/gpu/drm/mediatek/mtk_mutex.c | 306 ++++++++++++------------ drivers/gpu/drm/mediatek/mtk_mutex.h | 26 +- 5 files changed, 182 insertions(+), 184 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 1e827de1427d..5c4e8e2f4448 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -55,7 +55,7 @@ struct mtk_drm_crtc { #endif

struct device *mmsys_dev; - struct mtk_disp_mutex *mutex; + struct mtk_mutex *mutex; unsigned int ddp_comp_nr; struct mtk_ddp_comp **ddp_comp;

@@ -107,7 +107,7 @@ static void mtk_drm_crtc_destroy(struct drm_crtc *crtc) { struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);

- mtk_disp_mutex_put(mtk_crtc->mutex); + mtk_mutex_put(mtk_crtc->mutex);

drm_crtc_cleanup(crtc); } @@ -283,7 +283,7 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc) return ret; }

- ret = mtk_disp_mutex_prepare(mtk_crtc->mutex); + ret = mtk_mutex_prepare(mtk_crtc->mutex); if (ret < 0) { DRM_ERROR("Failed to enable mutex clock: %d\n", ret); goto err_pm_runtime_put; @@ -299,11 +299,11 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc) mtk_mmsys_ddp_connect(mtk_crtc->mmsys_dev, mtk_crtc->ddp_comp[i]->id, mtk_crtc->ddp_comp[i + 1]->id); - mtk_disp_mutex_add_comp(mtk_crtc->mutex, + mtk_mutex_add_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); } - mtk_disp_mutex_add_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); - mtk_disp_mutex_enable(mtk_crtc->mutex); + mtk_mutex_add_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); + mtk_mutex_enable(mtk_crtc->mutex);

for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[i]; @@ -332,7 +332,7 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc) return 0;

err_mutex_unprepare: - mtk_disp_mutex_unprepare(mtk_crtc->mutex); + mtk_mutex_unprepare(mtk_crtc->mutex); err_pm_runtime_put: pm_runtime_put(crtc->dev->dev); return ret; @@ -351,19 +351,19 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc) }

for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) - mtk_disp_mutex_remove_comp(mtk_crtc->mutex, + mtk_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); - mtk_disp_mutex_disable(mtk_crtc->mutex); + mtk_mutex_disable(mtk_crtc->mutex); for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) { mtk_mmsys_ddp_disconnect(mtk_crtc->mmsys_dev, mtk_crtc->ddp_comp[i]->id, mtk_crtc->ddp_comp[i + 1]->id); - mtk_disp_mutex_remove_comp(mtk_crtc->mutex, + mtk_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); } - mtk_disp_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); + mtk_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); mtk_crtc_ddp_clk_disable(mtk_crtc); - mtk_disp_mutex_unprepare(mtk_crtc->mutex); + mtk_mutex_unprepare(mtk_crtc->mutex);

pm_runtime_put(drm->dev);

@@ -475,9 +475,9 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc) mtk_crtc->pending_async_planes = true;

if (priv->data->shadow_register) { - mtk_disp_mutex_acquire(mtk_crtc->mutex); + mtk_mutex_acquire(mtk_crtc->mutex); mtk_crtc_ddp_config(crtc, NULL); - mtk_disp_mutex_release(mtk_crtc->mutex); + mtk_mutex_release(mtk_crtc->mutex); } #if IS_REACHABLE(CONFIG_MTK_CMDQ) if (mtk_crtc->cmdq_client) { @@ -772,7 +772,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, if (!mtk_crtc->ddp_comp) return -ENOMEM;

- mtk_crtc->mutex = mtk_disp_mutex_get(priv->mutex_dev, pipe); + mtk_crtc->mutex = mtk_mutex_get(priv->mutex_dev, pipe); if (IS_ERR(mtk_crtc->mutex)) { ret = PTR_ERR(mtk_crtc->mutex); dev_err(dev, "Failed to get mutex: %d\n", ret); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 089f956b22c2..907a69eb6d51 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -602,7 +602,7 @@ static struct platform_driver mtk_drm_platform_driver = { };

static struct platform_driver * const mtk_drm_drivers[] = { - &mtk_ddp_driver, + &mtk_mutex_driver, &mtk_disp_color_driver, &mtk_disp_ovl_driver, &mtk_disp_rdma_driver, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 5d771cf0bf25..c7220f267a62 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -46,7 +46,7 @@ struct mtk_drm_private { struct drm_atomic_state *suspend_state; };

-extern struct platform_driver mtk_ddp_driver; +extern struct platform_driver mtk_mutex_driver; extern struct platform_driver mtk_disp_color_driver; extern struct platform_driver mtk_disp_ovl_driver; extern struct platform_driver mtk_disp_rdma_driver; diff --git a/drivers/gpu/drm/mediatek/mtk_mutex.c b/drivers/gpu/drm/mediatek/mtk_mutex.c index ab7295c51b23..ece26359a292 100644 --- a/drivers/gpu/drm/mediatek/mtk_mutex.c +++ b/drivers/gpu/drm/mediatek/mtk_mutex.c @@ -9,11 +9,10 @@ #include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/regmap.h> +#include <linux/soc/mediatek/mtk-mmsys.h>

-#include "mtk_drm_ddp_comp.h" - -#define MT2701_DISP_MUTEX0_MOD0 0x2c -#define MT2701_DISP_MUTEX0_SOF0 0x30 +#define MT2701_MUTEX0_MOD0 0x2c +#define MT2701_MUTEX0_SOF0 0x30

#define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n)) #define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n)) @@ -78,33 +77,32 @@ #define MT2701_MUTEX_MOD_DISP_RDMA0 10 #define MT2701_MUTEX_MOD_DISP_RDMA1 12

-#define MUTEX_SOF_SINGLE_MODE 0 -#define MUTEX_SOF_DSI0 1 -#define MUTEX_SOF_DSI1 2 -#define MUTEX_SOF_DPI0 3 -#define MUTEX_SOF_DPI1 4 -#define MUTEX_SOF_DSI2 5 -#define MUTEX_SOF_DSI3 6 -#define MT8167_MUTEX_SOF_DPI0 2 -#define MT8167_MUTEX_SOF_DPI1 3 - - -struct mtk_disp_mutex { +#define MT2712_MUTEX_SOF_SINGLE_MODE 0 +#define MT2712_MUTEX_SOF_DSI0 1 +#define MT2712_MUTEX_SOF_DSI1 2 +#define MT2712_MUTEX_SOF_DPI0 3 +#define MT2712_MUTEX_SOF_DPI1 4 +#define MT2712_MUTEX_SOF_DSI2 5 +#define MT2712_MUTEX_SOF_DSI3 6 +#define MT8167_MUTEX_SOF_DPI0 2 +#define MT8167_MUTEX_SOF_DPI1 3 + +struct mtk_mutex { int id; bool claimed; };

-enum mtk_ddp_mutex_sof_id { - DDP_MUTEX_SOF_SINGLE_MODE, - DDP_MUTEX_SOF_DSI0, - DDP_MUTEX_SOF_DSI1, - DDP_MUTEX_SOF_DPI0, - DDP_MUTEX_SOF_DPI1, - DDP_MUTEX_SOF_DSI2, - DDP_MUTEX_SOF_DSI3, +enum mtk_mutex_sof_id { + MUTEX_SOF_SINGLE_MODE, + MUTEX_SOF_DSI0, + MUTEX_SOF_DSI1, + MUTEX_SOF_DPI0, + MUTEX_SOF_DPI1, + MUTEX_SOF_DSI2, + MUTEX_SOF_DSI3, };

-struct mtk_ddp_data { +struct mtk_mutex_data { const unsigned int *mutex_mod; const unsigned int *mutex_sof; const unsigned int mutex_mod_reg; @@ -112,12 +110,12 @@ struct mtk_ddp_data { const bool no_clk; };

-struct mtk_ddp { +struct mtk_mutex_ctx { struct device *dev; struct clk *clk; void __iomem *regs; - struct mtk_disp_mutex mutex[10]; - const struct mtk_ddp_data *data; + struct mtk_mutex mutex[10]; + const struct mtk_mutex_data *data; };

static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { @@ -182,150 +180,150 @@ static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1, };

-static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = { - [DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, - [DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, - [DDP_MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1, - [DDP_MUTEX_SOF_DPI0] = MUTEX_SOF_DPI0, - [DDP_MUTEX_SOF_DPI1] = MUTEX_SOF_DPI1, - [DDP_MUTEX_SOF_DSI2] = MUTEX_SOF_DSI2, - [DDP_MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3, +static const unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = { + [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, + [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, + [MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1, + [MUTEX_SOF_DPI0] = MUTEX_SOF_DPI0, + [MUTEX_SOF_DPI1] = MUTEX_SOF_DPI1, + [MUTEX_SOF_DSI2] = MUTEX_SOF_DSI2, + [MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3, };

-static const unsigned int mt8167_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = { - [DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, - [DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, - [DDP_MUTEX_SOF_DPI0] = MT8167_MUTEX_SOF_DPI0, - [DDP_MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1, +static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = { + [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, + [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, + [MUTEX_SOF_DPI0] = MT8167_MUTEX_SOF_DPI0, + [MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1, };

-static const struct mtk_ddp_data mt2701_ddp_driver_data = { +static const struct mtk_mutex_data mt2701_mutex_driver_data = { .mutex_mod = mt2701_mutex_mod, .mutex_sof = mt2712_mutex_sof, - .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, - .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0, + .mutex_mod_reg = MT2701_MUTEX0_MOD0, + .mutex_sof_reg = MT2701_MUTEX0_SOF0, };

-static const struct mtk_ddp_data mt2712_ddp_driver_data = { +static const struct mtk_mutex_data mt2712_mutex_driver_data = { .mutex_mod = mt2712_mutex_mod, .mutex_sof = mt2712_mutex_sof, - .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, - .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0, + .mutex_mod_reg = MT2701_MUTEX0_MOD0, + .mutex_sof_reg = MT2701_MUTEX0_SOF0, };

-static const struct mtk_ddp_data mt8167_ddp_driver_data = { +static const struct mtk_mutex_data mt8167_mutex_driver_data = { .mutex_mod = mt8167_mutex_mod, .mutex_sof = mt8167_mutex_sof, - .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, - .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0, + .mutex_mod_reg = MT2701_MUTEX0_MOD0, + .mutex_sof_reg = MT2701_MUTEX0_SOF0, .no_clk = true, };

-static const struct mtk_ddp_data mt8173_ddp_driver_data = { +static const struct mtk_mutex_data mt8173_mutex_driver_data = { .mutex_mod = mt8173_mutex_mod, .mutex_sof = mt2712_mutex_sof, - .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, - .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0, + .mutex_mod_reg = MT2701_MUTEX0_MOD0, + .mutex_sof_reg = MT2701_MUTEX0_SOF0, };

-struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id) +struct mtk_mutex *mtk_mutex_get(struct device *dev, unsigned int id) { - struct mtk_ddp *ddp = dev_get_drvdata(dev); + struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);

if (id >= 10) return ERR_PTR(-EINVAL); - if (ddp->mutex[id].claimed) + if (mtx->mutex[id].claimed) return ERR_PTR(-EBUSY);

- ddp->mutex[id].claimed = true; + mtx->mutex[id].claimed = true;

- return &ddp->mutex[id]; + return &mtx->mutex[id]; }

-void mtk_disp_mutex_put(struct mtk_disp_mutex *mutex) +void mtk_mutex_put(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]);

- WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex);

mutex->claimed = false; }

-int mtk_disp_mutex_prepare(struct mtk_disp_mutex *mutex) +int mtk_mutex_prepare(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); - return clk_prepare_enable(ddp->clk); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + return clk_prepare_enable(mtx->clk); }

-void mtk_disp_mutex_unprepare(struct mtk_disp_mutex *mutex) +void mtk_mutex_unprepare(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); - clk_disable_unprepare(ddp->clk); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + clk_disable_unprepare(mtx->clk); }

-void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex, - enum mtk_ddp_comp_id id) +void mtk_mutex_add_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); unsigned int reg; unsigned int sof_id; unsigned int offset;

- WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex);

switch (id) { case DDP_COMPONENT_DSI0: - sof_id = DDP_MUTEX_SOF_DSI0; + sof_id = MUTEX_SOF_DSI0; break; case DDP_COMPONENT_DSI1: - sof_id = DDP_MUTEX_SOF_DSI0; + sof_id = MUTEX_SOF_DSI0; break; case DDP_COMPONENT_DSI2: - sof_id = DDP_MUTEX_SOF_DSI2; + sof_id = MUTEX_SOF_DSI2; break; case DDP_COMPONENT_DSI3: - sof_id = DDP_MUTEX_SOF_DSI3; + sof_id = MUTEX_SOF_DSI3; break; case DDP_COMPONENT_DPI0: - sof_id = DDP_MUTEX_SOF_DPI0; + sof_id = MUTEX_SOF_DPI0; break; case DDP_COMPONENT_DPI1: - sof_id = DDP_MUTEX_SOF_DPI1; + sof_id = MUTEX_SOF_DPI1; break; default: - if (ddp->data->mutex_mod[id] < 32) { - offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg, + if (mtx->data->mutex_mod[id] < 32) { + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, mutex->id); - reg = readl_relaxed(ddp->regs + offset); - reg |= 1 << ddp->data->mutex_mod[id]; - writel_relaxed(reg, ddp->regs + offset); + reg = readl_relaxed(mtx->regs + offset); + reg |= 1 << mtx->data->mutex_mod[id]; + writel_relaxed(reg, mtx->regs + offset); } else { offset = DISP_REG_MUTEX_MOD2(mutex->id); - reg = readl_relaxed(ddp->regs + offset); - reg |= 1 << (ddp->data->mutex_mod[id] - 32); - writel_relaxed(reg, ddp->regs + offset); + reg = readl_relaxed(mtx->regs + offset); + reg |= 1 << (mtx->data->mutex_mod[id] - 32); + writel_relaxed(reg, mtx->regs + offset); } return; }

- writel_relaxed(ddp->data->mutex_sof[sof_id], - ddp->regs + - DISP_REG_MUTEX_SOF(ddp->data->mutex_sof_reg, mutex->id)); + writel_relaxed(mtx->data->mutex_sof[sof_id], + mtx->regs + + DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id)); }

-void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex, - enum mtk_ddp_comp_id id) +void mtk_mutex_remove_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); unsigned int reg; unsigned int offset;

- WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex);

switch (id) { case DDP_COMPONENT_DSI0: @@ -335,129 +333,129 @@ void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex, case DDP_COMPONENT_DPI0: case DDP_COMPONENT_DPI1: writel_relaxed(MUTEX_SOF_SINGLE_MODE, - ddp->regs + - DISP_REG_MUTEX_SOF(ddp->data->mutex_sof_reg, + mtx->regs + + DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id)); break; default: - if (ddp->data->mutex_mod[id] < 32) { - offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg, + if (mtx->data->mutex_mod[id] < 32) { + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, mutex->id); - reg = readl_relaxed(ddp->regs + offset); - reg &= ~(1 << ddp->data->mutex_mod[id]); - writel_relaxed(reg, ddp->regs + offset); + reg = readl_relaxed(mtx->regs + offset); + reg &= ~(1 << mtx->data->mutex_mod[id]); + writel_relaxed(reg, mtx->regs + offset); } else { offset = DISP_REG_MUTEX_MOD2(mutex->id); - reg = readl_relaxed(ddp->regs + offset); - reg &= ~(1 << (ddp->data->mutex_mod[id] - 32)); - writel_relaxed(reg, ddp->regs + offset); + reg = readl_relaxed(mtx->regs + offset); + reg &= ~(1 << (mtx->data->mutex_mod[id] - 32)); + writel_relaxed(reg, mtx->regs + offset); } break; } }

-void mtk_disp_mutex_enable(struct mtk_disp_mutex *mutex) +void mtk_mutex_enable(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]);

- WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex);

- writel(1, ddp->regs + DISP_REG_MUTEX_EN(mutex->id)); + writel(1, mtx->regs + DISP_REG_MUTEX_EN(mutex->id)); }

-void mtk_disp_mutex_disable(struct mtk_disp_mutex *mutex) +void mtk_mutex_disable(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]);

- WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex);

- writel(0, ddp->regs + DISP_REG_MUTEX_EN(mutex->id)); + writel(0, mtx->regs + DISP_REG_MUTEX_EN(mutex->id)); }

-void mtk_disp_mutex_acquire(struct mtk_disp_mutex *mutex) +void mtk_mutex_acquire(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); u32 tmp;

- writel(1, ddp->regs + DISP_REG_MUTEX_EN(mutex->id)); - writel(1, ddp->regs + DISP_REG_MUTEX(mutex->id)); - if (readl_poll_timeout_atomic(ddp->regs + DISP_REG_MUTEX(mutex->id), + writel(1, mtx->regs + DISP_REG_MUTEX_EN(mutex->id)); + writel(1, mtx->regs + DISP_REG_MUTEX(mutex->id)); + if (readl_poll_timeout_atomic(mtx->regs + DISP_REG_MUTEX(mutex->id), tmp, tmp & INT_MUTEX, 1, 10000)) pr_err("could not acquire mutex %d\n", mutex->id); }

-void mtk_disp_mutex_release(struct mtk_disp_mutex *mutex) +void mtk_mutex_release(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]);

- writel(0, ddp->regs + DISP_REG_MUTEX(mutex->id)); + writel(0, mtx->regs + DISP_REG_MUTEX(mutex->id)); }

-static int mtk_ddp_probe(struct platform_device *pdev) +static int mtk_mutex_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct mtk_ddp *ddp; + struct mtk_mutex_ctx *mtx; struct resource *regs; int i;

- ddp = devm_kzalloc(dev, sizeof(*ddp), GFP_KERNEL); - if (!ddp) + mtx = devm_kzalloc(dev, sizeof(*mtx), GFP_KERNEL); + if (!mtx) return -ENOMEM;

for (i = 0; i < 10; i++) - ddp->mutex[i].id = i; + mtx->mutex[i].id = i;

- ddp->data = of_device_get_match_data(dev); + mtx->data = of_device_get_match_data(dev);

- if (!ddp->data->no_clk) { - ddp->clk = devm_clk_get(dev, NULL); - if (IS_ERR(ddp->clk)) { - if (PTR_ERR(ddp->clk) != -EPROBE_DEFER) + if (!mtx->data->no_clk) { + mtx->clk = devm_clk_get(dev, NULL); + if (IS_ERR(mtx->clk)) { + if (PTR_ERR(mtx->clk) != -EPROBE_DEFER) dev_err(dev, "Failed to get clock\n"); - return PTR_ERR(ddp->clk); + return PTR_ERR(mtx->clk); } }

regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ddp->regs = devm_ioremap_resource(dev, regs); - if (IS_ERR(ddp->regs)) { + mtx->regs = devm_ioremap_resource(dev, regs); + if (IS_ERR(mtx->regs)) { dev_err(dev, "Failed to map mutex registers\n"); - return PTR_ERR(ddp->regs); + return PTR_ERR(mtx->regs); }

- platform_set_drvdata(pdev, ddp); + platform_set_drvdata(pdev, mtx);

return 0; }

-static int mtk_ddp_remove(struct platform_device *pdev) +static int mtk_mutex_remove(struct platform_device *pdev) { return 0; }

-static const struct of_device_id ddp_driver_dt_match[] = { +static const struct of_device_id mutex_driver_dt_match[] = { { .compatible = "mediatek,mt2701-disp-mutex", - .data = &mt2701_ddp_driver_data}, + .data = &mt2701_mutex_driver_data}, { .compatible = "mediatek,mt2712-disp-mutex", - .data = &mt2712_ddp_driver_data}, + .data = &mt2712_mutex_driver_data}, { .compatible = "mediatek,mt8167-disp-mutex", - .data = &mt8167_ddp_driver_data}, + .data = &mt8167_mutex_driver_data}, { .compatible = "mediatek,mt8173-disp-mutex", - .data = &mt8173_ddp_driver_data}, + .data = &mt8173_mutex_driver_data}, {}, }; -MODULE_DEVICE_TABLE(of, ddp_driver_dt_match); +MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);

-struct platform_driver mtk_ddp_driver = { - .probe = mtk_ddp_probe, - .remove = mtk_ddp_remove, +struct platform_driver mtk_mutex_driver = { + .probe = mtk_mutex_probe, + .remove = mtk_mutex_remove, .driver = { - .name = "mediatek-ddp", + .name = "mediatek-mutex", .owner = THIS_MODULE, - .of_match_table = ddp_driver_dt_match, + .of_match_table = mutex_driver_dt_match, }, }; diff --git a/drivers/gpu/drm/mediatek/mtk_mutex.h b/drivers/gpu/drm/mediatek/mtk_mutex.h index 3abcc20e88fb..b678e0988a37 100644 --- a/drivers/gpu/drm/mediatek/mtk_mutex.h +++ b/drivers/gpu/drm/mediatek/mtk_mutex.h @@ -8,19 +8,19 @@

struct regmap; struct device; -struct mtk_disp_mutex; +struct mtk_mutex;

-struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id); -int mtk_disp_mutex_prepare(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex, - enum mtk_ddp_comp_id id); -void mtk_disp_mutex_enable(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_disable(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex, - enum mtk_ddp_comp_id id); -void mtk_disp_mutex_unprepare(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_put(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_acquire(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_release(struct mtk_disp_mutex *mutex); +struct mtk_mutex *mtk_mutex_get(struct device *dev, unsigned int id); +int mtk_mutex_prepare(struct mtk_mutex *mutex); +void mtk_mutex_add_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id); +void mtk_mutex_enable(struct mtk_mutex *mutex); +void mtk_mutex_disable(struct mtk_mutex *mutex); +void mtk_mutex_remove_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id); +void mtk_mutex_unprepare(struct mtk_mutex *mutex); +void mtk_mutex_put(struct mtk_mutex *mutex); +void mtk_mutex_acquire(struct mtk_mutex *mutex); +void mtk_mutex_release(struct mtk_mutex *mutex);

#endif /* MTK_MUTEX_H */